//ExceptionDemo.java
public class ExceptionDemo { 
    public static void main(String[ ] args) { 
       	 int i=0; 
            try { 
                i = Integer.parseInt(args[0]); 
                // possible ArithmeticException 
           } 
catch (NumberFormatException e) { 
               // print an error message
               System.err.println("Usage: java HelloThere repeat_count" ); 
               return; 
            }
            catch (ArrayIndexOutOfBoundsException e) { 
                // pick a default value 
                System.out.println("ArrayIndexOutOfBoundsException");
			  i = 2; 
            }
            for (int a = 0; a<i; a++) { 
               System.out.println("Hello"); 
            }
   }
}